<?php
/**
 * Created by PhpStorm.
 * User: Administrator
 * Date: 2021/11/25
 * Time: 11:01
 */

echo abs(-100);
echo "<br>";
echo ceil(3.1);
echo "<br>";
echo floor(3.1);
echo "<br>";
echo round(3.5);
echo "<br>";
echo rand(1,5) * 0.1;
echo "<br>";
echo max(1,2,4,232,545,212,33,1);
echo "<br>";
echo min(5,213,43,32,2,5445,2);


echo "<br>";
echo "<br>";

$nowAtime = time();
echo time();
echo "<br>";
echo date("Y-m-d H:i:s",$nowAtime);

sleep(5);

echo "<br>";
$nTime = date("Y-m-d",time());

echo date("Y-m-d H:i:s",strtotime($nTime));

echo "<br>";
echo "<br>";

if(!defined("ASS")){
    define("ASS","zs");
}

echo ASS;

echo "<br>";
//die;
exit("我退出了");
